19.79% is the change from 389 to 466
Calculation steps:
[( 466 - 389 ) ÷ 389] x 100 = 19.79%
Formula
Percentage change = [(466 - 389) / 389] x 100
Subtract the new number by the original number
466 - 389 = 77
77 ÷ 389 = 0.19794344473007713
0.19794344473007713 x 100 = 19.79%